/dow/ [German Fidonet] D"ummster Anzunehmender User.A German acronym for stupidest imaginable user.From the engineering-slang GAU for Gr"osster Anzunehmender Unfall (worst foreseeable accident), especially of a LNG tank farm plant or something with similarly disastrous consequences.In popular German, GAU is used only to refer to worst-case nuclear accidents such as a core meltdown.See cretin, loser and weasel.[Jargon File](1994-12-06)